Structure analysis

Cryo- EM structure of Mycobacterium smegmatis 70S ribosome, bS1 and RafH.

Electron Microscopy
3.5Å resolution
Assembly composition:
hetero 51-mer (preferred)
Entry contents: 48 distinct polypeptide molecules
3 distinct RNA molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 51-mer
Accessible surface area: 798294.69 Å2
Buried surface area: 239001.51 Å2
Dissociation area: 1,806.46 Å2
Dissociation energy (ΔGdiss): -10.29 kcal/mol
Dissociation entropy (TΔSdiss): 23.8 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-279084

Macromolecules

Chain: E
Length: 278 amino acids
Theoretical weight: 30.43 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD4 (Residues: 1-278; Coverage: 100%)
Gene names: MSMEG_1439, MSMEI_1403, rplB
Pfam:

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Chain: F
Length: 217 amino acids
Theoretical weight: 23.01 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD1 (Residues: 1-217; Coverage: 100%)
Gene names: MSMEG_1436, MSMEI_1400, rplC
Pfam: Ribosomal protein L3

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Chain: G
Length: 215 amino acids
Theoretical weight: 22.92 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD2 (Residues: 1-215; Coverage: 100%)
Gene names: MSMEG_1437, MSMEI_1401, rplD
Pfam: Ribosomal protein L4/L1 family

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Chain: H
Length: 187 amino acids
Theoretical weight: 21.15 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG1 (Residues: 1-187; Coverage: 100%)
Gene names: MSMEG_1467, MSMEI_1431, rplE
Pfam:

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Chain: I
Length: 179 amino acids
Theoretical weight: 19.48 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG4 (Residues: 1-179; Coverage: 100%)
Gene names: MSMEG_1470, MSMEI_1434, rplF
Pfam: Ribosomal protein L6

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Chain: J
Length: 151 amino acids
Theoretical weight: 15.95 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R7F6 (Residues: 1-151; Coverage: 100%)
Gene names: MSMEG_6894, MSMEI_6710, rplI
Pfam:

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Chain: M
Length: 147 amino acids
Theoretical weight: 16.15 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSP8 (Residues: 1-147; Coverage: 100%)
Gene names: MSMEG_1556, MSMEI_1519, rplM
Pfam: Ribosomal protein L13

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Chain: N
Length: 122 amino acids
Theoretical weight: 13.4 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSF9 (Residues: 1-122; Coverage: 100%)
Gene names: MSMEG_1465, MSMEI_1429, rplN
Pfam: Ribosomal protein L14p/L23e

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Chain: O
Length: 147 amino acids
Theoretical weight: 15.6 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG8 (Residues: 1-147; Coverage: 100%)
Gene names: MSMEG_1474, rplO
Pfam: Ribosomal proteins 50S-L15, 50S-L18e, 60S-L27A

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Chain: Q
Length: 199 amino acids
Theoretical weight: 21.89 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSL9 (Residues: 1-199; Coverage: 100%)
Gene names: MSMEG_1525, MSMEI_1489, rplQ
Pfam: Ribosomal protein L17

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Chain: R
Length: 127 amino acids
Theoretical weight: 13.71 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG5 (Residues: 1-127; Coverage: 100%)
Gene names: MSMEG_1471, rplR
Pfam: Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast

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Chain: S
Length: 113 amino acids
Theoretical weight: 12.89 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QV42 (Residues: 1-113; Coverage: 100%)
Gene names: MSMEG_2440, MSMEI_2379, rplS
Pfam: Ribosomal protein L19

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Chain: T
Length: 129 amino acids
Theoretical weight: 14.49 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QYU6 (Residues: 1-129; Coverage: 100%)
Gene names: MSMEG_3791, MSMEI_3703, rplT
Pfam: Ribosomal protein L20

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Chain: U
Length: 103 amino acids
Theoretical weight: 11.06 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R151 (Residues: 1-103; Coverage: 100%)
Gene names: MSMEG_4625, MSMEI_4508, rplU
Pfam: Ribosomal prokaryotic L21 protein

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Chain: V
Length: 153 amino acids
Theoretical weight: 16.35 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD6 (Residues: 1-153; Coverage: 100%)
Gene names: MSMEG_1441, MSMEI_1405, rplV
Pfam: Ribosomal protein L22p/L17e

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Chain: W
Length: 100 amino acids
Theoretical weight: 11.05 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD3 (Residues: 1-100; Coverage: 100%)
Gene names: MSMEG_1438, MSMEI_1402, rplW
Pfam: Ribosomal protein L23

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Chain: X
Length: 105 amino acids
Theoretical weight: 11.23 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG0 (Residues: 1-105; Coverage: 100%)
Gene names: MSMEG_1466, MSMEI_1430, rplX
Pfam:

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Chain: Z
Length: 88 amino acids
Theoretical weight: 9.25 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R150 (Residues: 1-88; Coverage: 100%)
Gene names: MSMEG_4624, MSMEI_4507, rpmA
Pfam: Ribosomal L27 protein

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Chain: 1
Length: 64 amino acids
Theoretical weight: 6.89 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QV03 (Residues: 1-64; Coverage: 100%)
Gene names: MSMEG_2400, rpmB
Pfam: Ribosomal L28 family

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Chain: 2
Length: 77 amino acids
Theoretical weight: 8.79 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD9 (Residues: 1-77; Coverage: 100%)
Gene names: MSMEG_1444, MSMEI_1408, rpmC
Pfam: Ribosomal L29 protein

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Chain: 3
Length: 61 amino acids
Theoretical weight: 7.02 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG7 (Residues: 1-61; Coverage: 100%)
Gene names: MSMEG_1473, MSMEI_1437, rpmD
Pfam: Ribosomal protein L30p/L7e

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Chain: 5
Length: 57 amino acids
Theoretical weight: 6.47 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R3I9 (Residues: 1-57; Coverage: 100%)
Gene names: MSMEG_5489, MSMEI_5337, rpmF
Pfam: Ribosomal L32p protein family

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Chain: 6
Length: 55 amino acids
Theoretical weight: 6.47 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QS39 (Residues: 1-55; Coverage: 100%)
Gene names: MSMEG_1339, MSMEI_1301, rpmG1, rpmG2
Pfam: Ribosomal protein L33

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Chain: 7
Length: 47 amino acids
Theoretical weight: 5.52 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R7K0 (Residues: 1-47; Coverage: 100%)
Gene names: MSMEG_6946, MSMEI_6752, rpmH
Pfam: Ribosomal protein L34

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Chain: 8
Length: 64 amino acids
Theoretical weight: 7.3 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QYU7 (Residues: 1-64; Coverage: 100%)
Gene names: MSMEG_3792, MSMEI_3704, rpmI
Pfam: Ribosomal protein L35

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Chain: 4
Length: 75 amino acids
Theoretical weight: 8.31 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R215 (Residues: 1-75; Coverage: 100%)
Gene names: MSMEG_4951, MSMEI_4823, rpmE
Pfam: Ribosomal protein L31

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Chain: b
Length: 479 amino acids
Theoretical weight: 53.38 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QYY6 (Residues: 1-479; Coverage: 100%)
Gene names: LJ00_19040, MSMEG_3833, MSMEI_3743, rpsA
Pfam: S1 RNA binding domain

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Chain: v
Length: 33 amino acids
Theoretical weight: 4.16 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QR10 (Residues: 1-33; Coverage: 100%)
Gene name: MSMEG_0945
Pfam: Mitochondrial mRNA-processing protein COX24, C-terminal

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Chain: d
Length: 275 amino acids
Theoretical weight: 30.19 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD7 (Residues: 1-275; Coverage: 100%)
Gene names: MSMEG_1442, MSMEI_1406, rpsC
Pfam:

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Chain: e
Length: 201 amino acids
Theoretical weight: 23.42 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSL7 (Residues: 1-201; Coverage: 100%)
Gene names: MSMEG_1523, MSMEI_1487, rpsD
Pfam:

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Chain: f
Length: 214 amino acids
Theoretical weight: 21.95 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG6 (Residues: 1-214; Coverage: 100%)
Gene names: MSMEG_1472, MSMEI_1436, rpsE
Pfam:

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Chain: g
Length: 96 amino acids
Theoretical weight: 10.99 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R7F9 (Residues: 1-90; Coverage: 100%)
Gene names: MSMEG_6897, MSMEI_6713, rpsF
Pfam: Ribosomal protein S6

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Chain: h
Length: 156 amino acids
Theoretical weight: 17.66 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QS97 (Residues: 1-156; Coverage: 100%)
Gene names: MSMEG_1399, MSMEI_1361, rpsG
Pfam: Ribosomal protein S7p/S5e

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Chain: i
Length: 132 amino acids
Theoretical weight: 14.49 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG3 (Residues: 1-132; Coverage: 100%)
Gene names: MSMEG_1469, MSMEI_1433, rpsH
Pfam: Ribosomal protein S8

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Chain: j
Length: 150 amino acids
Theoretical weight: 16.79 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSP9 (Residues: 1-150; Coverage: 100%)
Gene names: MSMEG_1557, MSMEI_1520, rpsI
Pfam: Ribosomal protein S9/S16

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Chain: k
Length: 101 amino acids
Theoretical weight: 11.45 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD0 (Residues: 1-101; Coverage: 100%)
Gene names: MSMEG_1435, MSMEI_1399, rpsJ
Pfam: Ribosomal protein S10p/S20e

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Chain: l
Length: 138 amino acids
Theoretical weight: 14.67 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSL6 (Residues: 1-138; Coverage: 100%)
Gene names: MSMEG_1522, MSMEI_1486, rpsK
Pfam: Ribosomal protein S11

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Chain: m
Length: 124 amino acids
Theoretical weight: 13.9 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QS96 (Residues: 1-124; Coverage: 100%)
Gene names: MSMEG_1398, MSMEI_1360, rpsL
Pfam: Ribosomal protein S12/S23

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Chain: n
Length: 124 amino acids
Theoretical weight: 14.25 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSL5 (Residues: 1-124; Coverage: 100%)
Gene names: MSMEG_1521, MSMEI_1485, rpsM
Pfam: Ribosomal protein S13/S18

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Chain: o
Length: 101 amino acids
Theoretical weight: 11.79 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R550 (Residues: 1-101; Coverage: 100%)
Gene names: MSMEG_6066, MSMEI_5906, rpsN
Pfam: Ribosomal protein S14p/S29e

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Chain: p
Length: 89 amino acids
Theoretical weight: 10.37 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QVQ3 (Residues: 1-89; Coverage: 100%)
Gene names: MSMEG_2654, MSMEI_2591, rpsO
Pfam: Ribosomal protein S15

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Chain: q
Length: 156 amino acids
Theoretical weight: 16.8 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QV37 (Residues: 1-156; Coverage: 100%)
Gene names: MSMEG_2435, MSMEI_2374, rpsP
Pfam: Ribosomal protein S16

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Chain: r
Length: 98 amino acids
Theoretical weight: 11.13 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSE0 (Residues: 1-98; Coverage: 100%)
Gene names: MSMEG_1445, MSMEI_1409, rpsQ
Pfam: Ribosomal protein S17

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Chain: s
Length: 84 amino acids
Theoretical weight: 9.52 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R7F7 (Residues: 1-84; Coverage: 100%)
Gene names: MSMEG_6895, MSMEI_6711, rpsR1, rpsR2
Pfam: Ribosomal protein S18

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Chain: t
Length: 93 amino acids
Theoretical weight: 10.8 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD5 (Residues: 1-93; Coverage: 100%)
Gene names: MSMEG_1440, MSMEI_1404, rpsS
Pfam: Ribosomal protein S19

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Chain: u
Length: 86 amino acids
Theoretical weight: 9.56 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R102 (Residues: 1-86; Coverage: 100%)
Gene names: MSMEG_4571, MSMEI_4459, rpsT
Pfam: Ribosomal protein S20

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Chain: c
Length: 277 amino acids
Theoretical weight: 30.15 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QVB8 (Residues: 1-277; Coverage: 100%)
Gene names: MSMEG_2519, MSMEI_2460, rpsB
Pfam: Ribosomal protein S2

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Chain: w
Length: 264 amino acids
Theoretical weight: 29.9 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0QZ86 (Residues: 1-258; Coverage: 100%)
Gene name: MSMEG_3935
Pfam:

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Name: 23S ribosomal RNA
Representative chains: A
Length: 3119 nucleotides
Theoretical weight: 1011.83 KDa
Rfam: Bacterial large subunit ribosomal RNA

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Name: 5S ribosomal RNA
Representative chains: B
Length: 118 nucleotides
Theoretical weight: 38.06 KDa
Rfam: 5S ribosomal RNA

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Name: 16S ribosomal RNA
Representative chains: a
Length: 1528 nucleotides
Theoretical weight: 495.37 KDa
Rfam: Bacterial small subunit ribosomal RNA

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